hole_size = (hole_end - hole_start) >> size;
if (hole_size > KMALLOC_MAX_SIZE / sizeof(u32))
hole_size = KMALLOC_MAX_SIZE / sizeof(u32);
- count = hole_size;
+ count = hole_size >> 1;
+ if (!count) {
+ pr_debug("%s: hole is too small [%llx - %llx] >> %d: %lld\n",
+ __func__, hole_start, hole_end, size, hole_size);
+ break;
+ }
+
do {
- count >>= 1;
order = i915_random_order(count, &prng);
- } while (!order && count);
- if (!order)
- break;
+ if (order)
+ break;
+ } while (count >>= 1);
+ if (!count)
+ return -ENOMEM;
+ GEM_BUG_ON(!order);
GEM_BUG_ON(count * BIT_ULL(size) > vm->total);
GEM_BUG_ON(hole_start + count * BIT_ULL(size) > hole_end);
hole_size = (hole_end - hole_start) >> size;
if (hole_size > KMALLOC_MAX_SIZE / sizeof(u32))
hole_size = KMALLOC_MAX_SIZE / sizeof(u32);
- count = hole_size;
+ count = hole_size >> 1;
+ if (!count) {
+ pr_debug("%s: hole is too small [%llx - %llx] >> %d: %lld\n",
+ __func__, hole_start, hole_end, size, hole_size);
+ break;
+ }
+
do {
- count >>= 1;
order = i915_random_order(count, &prng);
- } while (!order && count);
- if (!order)
- break;
+ if (order)
+ break;
+ } while (count >>= 1);
+ if (!count)
+ return -ENOMEM;
+ GEM_BUG_ON(!order);
/* Ignore allocation failures (i.e. don't report them as
* a test failure) as we are purposefully allocating very